Algebra Readiness Made Easy Grade 6

Name _____ Date __

Ima Thinker

INVENTIONS

11

I’ll start with Clues 1 and 3 ,and make

a list of values for A. The first three

numbers are 30, 31, and 32.

1.What are all of the numbers on Ima’s list?

2.What is A? ___

3.How did you figure out the value of A? ____

4.Check your number with the clues. Show your work here.

5.Record Aon the line below to complete the year of the invention.

The Slinky was invented in the U. S. by Richard and

Betty James in 19___.

SOLVE

THE

PROBLEM Complete the year of the invention.

The Slinky was invented in the United States by

Richard and Betty James in 19___.

The letter Astands for a 2-digit number.

Use the clues to figure out the value of A.

CLUES:

1. 
   

   A ≥ 2 x 15

   
   


2. 
   

   The product of its digits is an even number.

   
   


3. 
   

   A + A < 100

   
   


4. 
   

   A has exactly two different factors.

   
   


5. 
   

   The difference between the two digits of A is less than 3.

   
   

Algebra Readiness Made Easy: Gr

. 6

© 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources